Limits: 1s, 512 MB
Harry is going to start his school at Hogwarts this year. In order to reach Hogwarts, he needs to catch the “Hogwarts Express” and that too from platform number nine and three quarter of the King’s Cross railway station. But, he doesn’t know how far he has to go to reach that peculiar platform.
This is a companion discussion topic for the original entry at https://toph.co/p/problem-number-nine-and-three-quarter